La trisomie 21

Will receives a message from Ugo: 'Why are you in a wheelchair, Will? He replies that he is a paraplegic, not to be confused with tetraplegia. Para-tetra, what?! This requires explanations that Will will give with his accomplice the Hand!

Selma, tired of her autistic little brother being made fun of, asks Will, 'Can you explain what autism is?' With the help of the Hand, Will explains why people with autism are in their own world, and can sometimes behave differently.

Will receives a message from Lucy: 'I have to wear glasses to school, does that mean I am visually impaired?'. Will replies that it does not. A visually impaired person sees much less than that. With the help of the Hand, he explains.

Will and his partner the Hand answer a question from Remi: 'What's it like to be deaf? 'It's a bit like having your head under water,' answers Will. He explains how the ear works and what can go wrong.

Will receives a message from Michael: 'My older sister's teacher thinks she is dyslexic. What does that mean? Is it serious?'. Dyslexic people have brains that work differently, Will and the Hand will explain how that is.

Will and his accomplice the Hand answer a question from Ibrahim: 'What is a psychotic disorder? '. He answers that they are mental illnesses, therefore linked to the brain. Will tells us more about these different psychotic disorders.

Will receives a message from Jiao: 'I just had a little cousin with a harelip. What is it? Will tells her it's a cleft lip and palate and explains more.

Will receives a message from Maya: 'Is myopathy when you're nearsighted? '. Myopia and myopathy have nothing to do with each other, and Will and the Hand are determined to explain the difference!

Will receives a message from Mathilde: 'My uncle has glass bone disease, but is it possible to have glass bones? '. Will refutes her suspicions: this is the nickname given to a disease called osteogenesis imperfecta. With his accomplice the Hand, he tells us more.

Will and his accomplice the Hand answer a child's question. Today it's a question from Lucia: 'I'd like to know, what is mucoccividosis? '. Will's answer: 'It's called mu-co-vi-sci-dose, it comes from 'Mucus-viscous. La Main, can you explain it to us? '

Will receives a message from Alexia: 'In pool class, people make fun of me because I'm afraid to swim. Why am I the only one who is afraid? Will reassures her. Fear is not a weakness, but it can sometimes be excessive and uncontrollable. With the Hand, he tells us more about phobias.